ellarose310oxmp7v ellarose310oxmp7v

30-09-2020
Mathematics

contestada

If f(x) = 3 -3 and g(x) = 3x2 + x – 6, find (f + g)(x).
O A. 4x2 - 9
O B. 3x-2x-3
O O c. 3x²
3x2 + 2x-3
O D. 3x2+2x-9

If fx 3 3 and gx 3x2 x 6 find f gx O A 4x2 9 O B 3x2x3 O O c 3x 3x2 2x3 O D 3x22x9 class=

Respuesta :

jimrgrant1 jimrgrant1

30-09-2020

Answer:

D

Step-by-step explanation:

note that (f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

= [tex]\frac{x}{2}[/tex] - 3 + 3x² + x - 6 ← collect like terms

= 3x² + [tex]\frac{3}{2}[/tex] x - 9 → D

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